8989556 has 6 divisors (see below), whose sum is σ = 15731730. Its totient is φ = 4494776.

The previous prime is 8989553. The next prime is 8989567. The reversal of 8989556 is 6559898.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 1612900 = 2716^2 + 1270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123691 + ... + 1123698.

It is an arithmetic number, because the mean of its divisors is an integer number (2621955).

Almost surely, 2^8989556 is an apocalyptic number.

It is an amenable number.

8989556 is a deficient number, since it is larger than the sum of its proper divisors (6742174).

8989556 is a wasteful number, since it uses less digits than its factorization.

8989556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247393 (or 2247391 counting only the distinct ones).

The product of its digits is 777600, while the sum is 50.

The square root of 8989556 is about 2998.2588280534. The cubic root of 8989556 is about 207.9278904378.

The spelling of 8989556 in words is "eight million, nine hundred eighty-nine thousand, five hundred fifty-six".